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Finding the Fourth Proportional to 64,039.38, 88,373.94 and 35,360.83

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Solution

The fourth proportional to 64,039.38, 88,373.94 and 35,360.83 is: 48,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.38 : 88,373.94 = 35,360.83 : x
  2. Step 2: Convert to fraction form
    64,039.38/88,373.94 = 35,360.83/x
  3. Step 3: Cross multiply
    64,039.38x = 88,373.94 × 35,360.83
  4. Step 4: Simplify right side
    64,039.38x = 3,124,975,598.08
  5. Step 5: Solve for x
    x = 3,124,975,598.08/64,039.38
  6. Step 6: Final answer
    x = 48,797.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.